CN215592449U

CN215592449U - Automatic turning device of crane supporting leg oil cylinder

Info

Publication number: CN215592449U
Application number: CN202122137585.XU
Authority: CN
Inventors: 严莉; 黄彦; 蒋春燚; 喻洁
Original assignee: Wuhan Jiangrong Intelligent Engineering Co ltd
Current assignee: Wuhan Jiangrong Intelligent Engineering Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-21
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses an automatic overturning device for a crane support leg oil cylinder, which comprises a frame body, wherein driving cylinders are arranged at two ends of the upper side of the frame body, the extension ends of the driving cylinders are fixedly connected with a connecting plate in sliding connection with the frame body, the connecting plate is fixedly connected with a top seat close to the inner end of the frame body, the lower end of the top seat is provided with a fixed seat, the connecting plate far away from the top seat is fixedly connected with a first connecting block, the middle end of the first connecting block is rotatably connected with a driving plate, and the bottom end of the driving plate is rotatably connected with a second connecting block. This automatic turning device of hoist landing leg hydro-cylinder through set up fixed establishment in framework the inner, drives the inner and when keeping the vertical state of stabilizer blade withdrawal framework when the hydro-cylinder, under the effect of telescopic link and spring, the fixture block is fixed solid ring through the recess, and then tentatively fixes the hydro-cylinder, makes things convenient for follow-up mounting to carry out the secondary and fixes.

Description

Automatic turning device of crane supporting leg oil cylinder

Technical Field

The utility model relates to the technical field of self-overturning of crane supporting leg oil cylinders, in particular to an automatic overturning device for a crane supporting leg oil cylinder.

Background

The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The oil cylinder, i.e. the hydraulic cylinder of the hydraulic cylinder, is a linear motion type executing element with output force in direct proportion to the effective area of the piston and the pressure difference between the two sides of the piston, and the crane usually adopts four hydraulic support legs when in work. It is important to provide the maximum possible stability. The ram must be designed to withstand high loads and shear forces.

The existing automatic overturning device for the crane supporting leg oil cylinder only simply overturns the oil cylinder and the supporting leg, and cannot fix the oil cylinder and the supporting leg at multiple angles at specific angles, so that when the supporting leg oil cylinder is started, a joint is broken, support cannot be provided for the crane, and parts cannot be replaced easily.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an automatic overturning device for a crane supporting leg oil cylinder, which solves the problems that the existing overturning device for the crane supporting leg oil cylinder only provides a simple overturning function, cannot fix an oil cylinder and supporting legs at a specific angle in multiple angles, further causes the breakage of a joint when the supporting leg oil cylinder is started, cannot provide support for a crane, is difficult to replace parts and the like.

In order to achieve the purpose, the utility model is realized by the following technical scheme: an automatic overturning device for a crane supporting leg oil cylinder comprises a frame body, wherein driving cylinders are arranged at two ends of the upper side of the frame body, the extending ends of the driving cylinders are fixedly connected with connecting plates in sliding connection with the frame body, the connecting plates are close to top seats fixedly connected with the inner ends of the frame body, a fixing seat is arranged at the lower ends of the top seats, a first connecting block is fixedly connected with the connecting plates far away from the top seats, the middle ends of the first connecting blocks are rotatably connected with a driving plate, the bottom ends of the driving plates are rotatably connected with a second connecting block, a rotary disc is arranged at the lower side of the frame body, the side edges of the rotary disc are fixedly connected with the second connecting block, the rotary disc is close to the inner ends of the frame body and is fixedly connected with a rotary block, the middle ends of the fixed plates are fixedly connected with the oil cylinder, supporting legs are fixedly connected with the extending ends of the oil cylinder, and wedge blocks are fixedly connected with the ends of the oil cylinder far away from the supporting legs, the top end of the frame body is provided with a flange plate, the inner side of the frame body is close to a fixing mechanism which is arranged at the upper end of the rotating block and connected with the oil cylinder, and the outer side of the frame body is close to the upper end of the fixing mechanism and provided with a fixing piece connected with the rotary disc.

Preferably, the fixing mechanism is composed of a clamping block, a telescopic rod, a spring and a fixing ring, one end of the telescopic rod is fixedly connected with the frame body, the other end of the telescopic rod is fixedly connected with the clamping block, and the fixing ring is fixedly connected with the side face of the oil cylinder.

Preferably, the end, close to the fixed ring, of the fixture block is provided with a groove, the surface of the telescopic rod is sleeved with a spring fixedly connected with the fixture block, and the fixture block is meshed with the fixed ring through the groove.

Preferably, the bottom end of the fixing seat is provided with a fixing groove embedded with a wear-resistant gasket, and the protruding end of the wedge block is slidably connected with the fixing groove.

Preferably, the fixing part is composed of a screw rod and a bolt, the screw rod is in threaded connection with the side face of the frame body, the bottom end of the screw rod is fixedly connected with the bolt, slots are formed in the side face of the rotary table, close to the bolt end and far away from the bolt end, and the rotary table is close to the bolt end and is in sliding connection with the bolt.

Preferably, the first connecting block and the second connecting block are fixedly connected with the driving plate through screws, and the fixing plate is fixedly connected with the rotating block through thick screws.

Advantageous effects

The utility model provides an automatic overturning device for a support oil cylinder of a crane. Compared with the prior art, the method has the following beneficial effects:

(1) this automatic turning device of hoist landing leg hydro-cylinder through set up fixed establishment in framework the inner, drives the inner and when keeping the vertical state of stabilizer blade withdrawal framework when the hydro-cylinder, under the effect of telescopic link and spring, the fixture block is fixed solid fixed ring through the recess, and then tentatively fixes the hydro-cylinder, makes things convenient for follow-up mounting to carry out the secondary and fixes.

(2) This automatic turning device of crane landing leg hydro-cylinder through setting up the fixing base at the footstock lower extreme, the fixing base can be fixed through to the voussoir on the vertical direction, and then fixes hydro-cylinder and stabilizer blade, and the fixed slot of the embedded wear-resisting packing ring in fixing base the inner rubs between reducible fixing base and the voussoir, extension apparatus life.

Drawings

FIG. 1 is a front sectional view of the inner end support oil cylinder before turning over;

FIG. 2 is a front sectional view of the inner end support oil cylinder after being turned over;

fig. 3 is an enlarged schematic view of the internal fixation mechanism of the present invention.

In the figure: 1. a frame body; 2. a driving cylinder; 3. a connecting plate; 4. a top seat; 5. a fixed seat; 6. a first connection block; 7. a drive plate; 8. a second connecting block; 9. a turntable; 10. rotating the block; 11. a fixing plate; 12. an oil cylinder; 13. a support leg; 14. a fixing mechanism; 141. a clamping block; 142. a telescopic rod; 143. a spring; 144. a fixing ring; 15. a wedge block; 16. a flange plate; 17. and a fixing member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an automatic turning device of hoist landing leg hydro-cylinder, including framework 1, 1 upside both ends of framework are equipped with and drive actuating cylinder 2, drive actuating cylinder 2 extension end fixedly connected with and framework 1 sliding connection's connecting plate 3, connecting plate 3 is close to 1 inner fixedly connected with footstock 4 of framework, the 4 lower extremes of footstock are equipped with fixing base 5, connecting plate 3 keeps away from the first connecting block 6 of 4 fixedly connected with of footstock, 6 middle-end rotations of first connecting block are connected with

drive plate

7, 7 bottom rotations of drive plate are connected with second connecting

block

8, 5 bottoms of fixing base are equipped with the fixed slot of embedded wear-resisting packing ring, in 15 protruding end sliding connection's of voussoir fixed slot, when fixing base 5 downstream, through fixed slot and 15 interlocks of voussoir, fix it, prevent that hydro-cylinder 12 from shaking in disorder, the friction between reducible fixing base 5 of wear-resisting packing ring and voussoir 15, extension apparatus life. The first connecting block 6 and the second connecting block 8 are fixedly connected with the driving plate 7 through screws, and the fixing plate 11 is fixedly connected with the rotating block 10 through thick screws. The arrangement enables the drive plate 7 and the fixing plate 11 to be detachable, and facilitates workers to replace damaged parts.

The side edge and the carousel 9 of 8 fixed connection of second connecting block are equipped with to framework 1 downside, carousel 9 is close to framework 1 inner fixedly connected with turning block 10, turning block 10 inner fixedly connected with fixed plate 11, fixed plate 11 middle-end and hydro-cylinder 12 fixed connection, hydro-cylinder 12 extension end fixedly connected with

stabilizer blade

13, 13 fixedly connected with voussoir 15 are kept away from to hydro-cylinder 12, framework 1 top is equipped with ring flange 16, framework 1 inboard is close to the fixed establishment 14 that turning block 10 upper end and hydro-cylinder 12 are connected, framework 1 outside is close to the fixed establishment 14 upper end and is equipped with the mounting 17 of being connected with carousel 9. The fixing piece 17 is composed of a screw rod and a bolt, the screw rod is in threaded connection with the side face of the frame body 1, the bottom end of the screw rod is fixedly connected with the bolt, slots are formed in the side face of the rotary table 9 close to the bolt end and far away from the bolt end, the rotary table 9 is close to the bolt end slots and is in sliding connection with the bolt, the screw rod is rotated, the bolt is driven by the screw rod to be inserted into the slots, the rotary table 9 is fixed, and therefore the oil cylinder 12, the support legs 13 and the wedge blocks 15 are guaranteed to be kept in a fixed state at corresponding vertical positions, and the crane is convenient to support in the follow-up process.

The fixing mechanism 14 is composed of a fixture block 141, an expansion link 142, a spring 143, and a fixing ring 144, one end of the expansion link 142 is fixedly connected to the frame 1, the other end of the expansion link 142 is fixedly connected to the fixture block 141, and the fixing ring 144 is fixedly connected to the side surface of the oil cylinder 12. The end of the fixture block 141 close to the fixing ring 144 is provided with a groove, the surface of the telescopic rod 142 is sleeved with a spring 143 fixedly connected with the fixture block 141, the fixture block 141 is engaged with the fixing ring 144 through the groove, when the oil cylinder 12 drives the supporting leg 13 to retract to the inner end of the frame body 1 and keep a vertical state, under the action of the telescopic rod 142 and the spring 143, the fixture block 141 fixes the fixing ring 144 through the groove, so as to primarily fix the oil cylinder 12, and facilitate secondary fixing of the subsequent fixing member 17.

And those not described in detail in this specification are well within the skill of those in the art.

When the device is used, a worker hangs the whole device below a crane through a mechanical arm, the whole device is fixedly connected with the crane through a flange plate 16, a screw rod is rotated, the screw rod drives a bolt to be disengaged from a fixed hole at the side end of a rotary table 9, a driving cylinder 2 is started, the extending end of the driving cylinder 2 drives a top seat 4 and a first connecting block 6 to move downwards through a connecting plate 3, in the process, a fixing ring 144 on an oil cylinder 12 is disengaged from a clamping block 141, the top seat 4 drives a fixing seat 5 to move downwards, the first connecting block 6 drives the rotary table 9 to rotate through a driving plate 7 and a second connecting block 8, the rotary table 9 drives a rotating block 10 and an oil cylinder 12 fixedly connected with the rotating block 10 through a fixing plate 11 to rotate, the oil cylinder 12 respectively drives supporting legs 13 and a wedge block 15 to rotate, when the wedge block 15 of the supporting legs 13 rotates by one hundred eighty degrees, the driving cylinder 2 is closed, at the moment, the fixing seat 5 bites the wedge block 15, and then guarantee the stability of hydro-cylinder 12 and stabilizer blade 13 through fixed voussoir 15, rotatory screw rod makes the screw rod drive the bolt and fixes carousel 9, prevents that stabilizer blade 13 from continuing to rotate, starts hydro-cylinder 12, and hydro-cylinder 12 drives the downward extension of stabilizer blade 13, and when stabilizer blade 13 bottom and ground laminating, close hydro-cylinder 12, stabilizer blade 13 supports the hoist.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic turning device of hoist landing leg hydro-cylinder, includes framework (1), its characterized in that: the device is characterized in that driving cylinders (2) are arranged at two ends of the upper side of the frame body (1), the driving cylinders (2) are fixedly connected with connecting plates (3) which are connected with the frame body (1) in a sliding manner in an extending manner, the connecting plates (3) are close to a top seat (4) fixedly connected with the inner end of the frame body (1), a fixing seat (5) is arranged at the lower end of the top seat (4), the connecting plates (3) are far away from the top seat (4) and fixedly connected with a first connecting block (6), a driving plate (7) is rotatably connected with the middle end of the first connecting block (6), a second connecting block (8) is rotatably connected with the bottom end of the driving plate (7), a turntable (9) fixedly connected with a side edge and the second connecting block (8) is arranged at the lower side of the frame body (1), the turntable (9) is close to a rotating block (10) fixedly connected with the inner end of the frame body (1), and a fixing plate (11) is fixedly connected with the inner end of the rotating block (10), fixed plate (11) middle-end and hydro-cylinder (12) fixed connection, hydro-cylinder (12) extension end fixedly connected with stabilizer blade (13), stabilizer blade (13) end fixedly connected with voussoir (15) are kept away from in hydro-cylinder (12), framework (1) top is equipped with ring flange (16), framework (1) inboard is close to fixed establishment (14) that turning block (10) upper end and hydro-cylinder (12) are connected, the framework (1) outside is close to fixed establishment (14) upper end and is equipped with mounting (17) of being connected with carousel (9).

2. The automatic overturning device for the oil cylinder of the support leg of the crane as claimed in claim 1, which is characterized in that: the fixing mechanism (14) is composed of a clamping block (141), an expansion rod (142), a spring (143) and a fixing ring (144), one end of the expansion rod (142) is fixedly connected with the frame body (1), the other end of the expansion rod (142) is fixedly connected with the clamping block (141), and the fixing ring (144) is fixedly connected with the side face of the oil cylinder (12).

3. The automatic overturning device for the oil cylinder of the support leg of the crane as claimed in claim 2, wherein: the end, close to the fixing ring (144), of the clamping block (141) is provided with a groove, the surface of the telescopic rod (142) is sleeved with a spring (143) fixedly connected with the clamping block (141), and the clamping block (141) is meshed with the fixing ring (144) through the groove.

4. The automatic overturning device for the oil cylinder of the support leg of the crane as claimed in claim 1, which is characterized in that: the bottom end of the fixing seat (5) is provided with a fixing groove embedded with a wear-resistant gasket, and the protruding end of the wedge block (15) is slidably connected with the fixing groove.

5. The automatic overturning device for the oil cylinder of the support leg of the crane as claimed in claim 1, which is characterized in that: the fixing piece (17) is composed of a screw rod and a bolt, the screw rod is in threaded connection with the side face of the frame body (1), the bottom end of the screw rod is fixedly connected with the bolt, slots are formed in the side face of the rotary table (9) close to the bolt end and far away from the bolt end, and the rotary table (9) is close to the bolt end and is in sliding connection with the bolt.

6. The automatic overturning device for the oil cylinder of the support leg of the crane as claimed in claim 1, which is characterized in that: the first connecting block (6) and the second connecting block (8) are fixedly connected with the driving plate (7) through screws, and the fixing plate (11) is fixedly connected with the rotating block (10) through thick screws.